diff --git a/src/runtime/index.ts b/src/runtime/index.ts
index d0fe37d..445ae67 100644
--- a/src/runtime/index.ts
+++ b/src/runtime/index.ts
@@ -271,7 +271,12 @@ export function preloadRoutes(pathnames: string[]) {
 
 	return routes
 		.filter(route => {
-			return !pathnames || pathnames.some(pathname => route.pattern.test(pathname));
+			if (!pathnames) return true;
+			return pathnames.some(pathname => {
+				return route.error
+					? route.error === pathname
+					: route.pattern.test(pathname)
+			});
 		})
 		.reduce((promise: Promise<any>, route) => {
 			return promise.then(route.load);
diff --git a/src/runtime/interfaces.ts b/src/runtime/interfaces.ts
index e20349e..b2f9574 100644
--- a/src/runtime/interfaces.ts
+++ b/src/runtime/interfaces.ts
@@ -13,8 +13,9 @@ export interface Component {
 
 export type Route = {
 	pattern: RegExp;
-	params: (match: RegExpExecArray) => Record<string, string>;
 	load: () => Promise<{ default: ComponentConstructor }>;
+	error?: string;
+	params?: (match: RegExpExecArray) => Record<string, string>;
 	ignore?: boolean;
 };